1956Catholic University of America. School of Social Science.Newcomb, Simon, 1835-1909Catholic University of America PressStudies in economics: abstract series ;Catholic University of America. Studies in economics: abstract series,dcuSimon Newcomb: his contribution to economic thought.2470551en24705511956NewcombSimonSimon Newcomb18351909Washington2017-07-09DunphyLoretta MarieLoretta Marie Dunphy1914NewcombSimonSimon Newcomb18351909